private unsafe void CreateAndStartDiskCacheManager()
{
_diskCacheManager = new TileDiskCacheManager(_dataProvider, _settings.CacheDir,
_dataProvider.fileName, _tileComputer,
new TileReadedCallback(OnReceiveTile));
//将第一次设置的读取波段添加到异步读取队列
for (int i = 0; i < _bands.Length; i++)
{
_bandCaches.Add(_bands[i], new BandMemoryCache(_tileComputer, _bands[i], this));
for (int lv = 0; lv < _tileComputer.Levels.Length; lv++)
{
_diskCacheManager.Enqueue(_bands[i], _tileComputer.Levels[lv]);
}
}
//将剩余波段加入异步读取队列
for (int b = 1; b <= _dataProvider.BandCount; b++)
{
if (Array.IndexOf <int>(_bands, b) >= 0)
{
continue;
}
_bandCaches.Add(b, new BandMemoryCache(_tileComputer, b, this));
for (int lv = 0; lv < _tileComputer.Levels.Length; lv++)
{
_diskCacheManager.Enqueue(b, _tileComputer.Levels[lv]);
}
}
}
public void LoadBySync_MaxLevel()
{
LevelId lv = _tileComputer.Levels[_tileComputer.Levels.Length - 1];
LoadBySync(lv.No);
for (int b = 0; b < _dataProvider.BandCount; b++)
{
if (Array.IndexOf <int>(_bands, b + 1) >= 0)
{
continue;
}
_diskCacheManager.Enqueue(b + 1, lv);
}
}